9907494912 has 448 divisors, whose sum is σ = 34391193600. Its totient is φ = 2794881024.

The previous prime is 9907494911. The next prime is 9907494929. The reversal of 9907494912 is 2194947099.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9907494911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125411289 + ... + 125411367.

Almost surely, 2^9907494912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9907494912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17195596800).

9907494912 is an abundant number, since it is smaller than the sum of its proper divisors (24483698688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9907494912 is an frugal number, since it uses more digits than its factorization.

9907494912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The square root of 9907494912 is about 99536.3999348982. The cubic root of 9907494912 is about 2147.7708940751.

The spelling of 9907494912 in words is "nine billion, nine hundred seven million, four hundred ninety-four thousand, nine hundred twelve".